{
  "$schema": "https://www.atsc-schemas.org/atsc3.0/a344/20250226/org.atsc.dialogEnhancement-request.json",
    "jsonrpc": "2.0",
    "method": "org.atsc.dialogEnhancement",
    "params": {"dialogEnhancementGain": 8},
    "id": 192
}